Effect of risperidone on phencyclidine (PCP)-induced stereotyped behavior in rats: Comparison with haloperidol and ritanserin.
نویسندگان
چکیده
منابع مشابه
Effects of risperidone on phencyclidine-induced behaviors: comparison with haloperidol and ritanserin.
In this study, we investigated whether risperidone, a serotonin-S2A (5-HT2A)/dopamine-D2 (D2)-receptor antagonist, inhibits phencyclidine (PCP)-induced stereotyped behaviors in comparison with haloperidol and ritanserin. Moreover, we also attempted to investigate the effects of these antipsychotics on the contents of dopamine, serotonin (5-HT) and their metabolites in rat striatum and frontal c...
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Stereotyped behavior was induced in rats with ouabain administered intraventricularly in doses of 2, 3 and 4 microgram in 50 microliter saline. Haloperiodol reduced the stereotyped behaviour. Monoamine turnover studies showed a reduction in concentration of norepinephrine in hippocampus and midbrain, an increase in norepinephrine turnover in the medulla oblongata and a reduction in dopamine tur...
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Spatial working memory or short-term place memory is impaired in schizophrenia. The efficiency of antipsychotic drugs, particularly of typical antipsychotics, on cognitive deficit in schizophrenia remains disputable. Inhibition of serotonin (5-HT) 2A/2C receptors is important for cognitive improvement in schizophrenic patients treated with antipsychotics. The aim of the present work was to esta...
متن کاملDifferential regulation of sigma and PCP receptors after chronic administration of haloperidol and phencyclidine in mice.
The existence of multiple receptor sites for the psychotomimetic agents phencyclidine (PCP) and some opiate-benzomorphans such as (+)N-allylnormetazocine ([+]SKF 10,047) in the mammalian central nervous system is well documented. These are: 1) sigma/PCP (sigma p) site, which binds both PCP and psychotomimetic opiates but not antipsychotics such as haloperidol, 2) PCP site, which selectively bin...
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ژورنال
عنوان ژورنال: Japanese Journal of Pharmacology
سال: 1993
ISSN: 0021-5198
DOI: 10.1016/s0021-5198(19)51284-7